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af_mpls: add null dev check in find_outdev

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This patch adds null dev check for the 'cfg->rc_via_table ==
NEIGH_LINK_TABLE or dev_get_by_index() failed' case

Reported-by: Dan Carpenter <[email protected]>
Signed-off-by: Roopa Prabhu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Roopa Prabhu 2015-08-04 06:36:24 -07:00 • committed by David S. Miller
commit 3dcb615e68
1 changed files with 3 additions and 0 deletions
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3
net/mpls/af_mpls.c
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@ -411,6 +411,9 @@ static struct net_device *find_outdev(struct net *net,
dev = dev_get_by_index(net, cfg->rc_ifindex);
}
if (!dev)
return ERR_PTR(-ENODEV);
return dev;
}